liquid. The outer core is composed of iron and nickel and is completely liquid magma as there is little to no pressure in this section of the earth. In 1692, Edmond Halley put forth the idea of a hollow Earth consisting of a shell about 500 miles (800 km) thick, two inner concentric shells and an innermost core. 30 seconds . The upper mantle, along with the crust, makes up the lithosphere of earth, which is physically distinct from the layers lying below due to its low temperature high thickness. answer choices . viscous. the crust. What is the outermost layer of Earth? Add your answer and earn points. The mantle can be described as an underground ocean of liquid rock! The crust is the thinnest of the four layers on Earth, and is only 1 percent of the whole Earth. pressure of the core is very high. Layers of Earth: Our Planet, the Earth is made up of different layers.Each layer of the Earth has unique properties. 30 seconds . It lies between Earth's dense, super-heated core and its thin outer layer, the crust. This layer of Earth … This liquid layer is approximately 2200 kilometres thick making it the second largest layer of the earth after the entirety of the mantle. 1 See answer mercyrecto46 is waiting for your help. The portion of the earth's crust that primarily contains granite, is less dense than oceanic crust, and is 20-50 km thick Continental crust vs. oceanic crust Layers that are less dense, such as the crust, float on layers that are denser, such as the mantle. It is the innermost layer of the Earth 4. The thickest layer of the Earth is the mantleIf considering the core as two parts (Inner and Outer Core), then the mantle is the thickest single layer, located between the crust and the outer core. The outer core is half of the earth's third and last layer, the core. What is the largest/thickest layer of Earth? solid. Part of the core made of solid 5. The mantle is composed of very hot, dense rock. the outer core. Made mostly of iron, magnesium and silicon, it is dense, hot and semi-solid (think caramel candy). Tags: Question 2 . What is the relationship between density and depth of material below Earth's surface? This layer of rock even flows like asphalt under a heavy weight. gas. How many layers does the Earth have? SURVEY . bulataoo bulataoo 1.Crust. Q. The crust’s thickness ranges in measurement from only 5 to 70 km thick, depending on location. Measuring 1,800 miles in depth, the mantle is the thickest part of the Earth’s layers, making up a whopping 84% of Earth’s total volume. At close to 3,000 kilometers (1,865 miles) thick, this is Earth’s thickest layer. The thickest layer of the earth 3. It is about 8km thick in the ocean bed, which is … crust. What describes the outer core? the mantle. the density increases the deeper you go into the Earth's layers. Layers of Earth. the inner core. SURVEY . Tags: Question 3 . Q. 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